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Excimer

About: Excimer is a research topic. Over the lifetime, 3725 publications have been published within this topic receiving 75104 citations.


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Journal ArticleDOI
14 Sep 2016
TL;DR: An amphiphilic pyrene derivative exhibiting unusually stable excimer emission due to strong aggregation served as an intelligent sensor for metal ions and nitro explosives in aqueous media and displayed excellent selectivity toward Cu2+ among the tested cations.
Abstract: An amphiphilic pyrene derivative exhibiting unusually stable excimer emission due to strong aggregation is presented. The aggregated system served as an intelligent sensor for metal ions and nitro explosives in aqueous media. The excimer displayed excellent selectivity toward Cu2+ among the tested cations. The observation was interpreted on the basis of chelation of metal ions involving the hydroxyl and amino groups of two molecules, leading to the ligand-to-metal charge-transfer (CT) process. The excimer was further applied for the cell imaging of Cu2+ ions. Also, while treating the excimer with various nitro explosives, it displayed efficient 2,4,6-trinitrophenol sensing, corroborating mainly the CT process from pyrene to the analyte due to intercalation of the analyte within pyrene.

27 citations

Journal ArticleDOI
TL;DR: In this article, a theoretical treatment of the collisional ionization of a highly excited atom with a molecule is improved by use of the exact form factor of the hydrogen atom in highly excited states.

27 citations

Journal ArticleDOI
TL;DR: In this article, the authors measured gas temperature profiles in the discharge region of the excimer laser cavity using a laser schlieren method for single-pulse operations and found that the temperature distribution depends on the xenon concentration.
Abstract: Shock waves are generated by pulse discharges in the cavity of excimer lasers. The shock waves cause arcing, nonhomogeneous excitation of laser gas and limitation of repetition rate of a high-repetition-rate excimer laser. Distribution of temperature rise by pulse discharge is an essential factor for generation and propagation of shock waves. Gas temperature profiles in the discharge region of the excimer laser cavity are measured by a laser schlieren method for single-pulse operations. The results show that the temperature distribution depends on the xenon concentration. In the cases of pure helium and higher xenon concentration, the temperature distributions are steeper than those in the cases of lower xenon concentration.

27 citations

Journal ArticleDOI
TL;DR: In this paper, the mechanism for production of electronically excited photofragments from the title molecules was investigated using two excimer lasers in a pump-probe experiment, and it was shown that secondary excitation of primary photofrigments is involved.

27 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023106
2022253
202142
202045
201959
201847